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Senior Full Stack Developer
Denis L.
20 years of experience
Europe
Can start immediately
Senior Full Stack Developer
Denis L.
20 years of experience
Europe
Can start immediately
Schedule an interview
Profile
Full-stack developer with 8 years of experience building scalable web applications and interactive interfaces. Skilled across backend and frontend with a strong command of Ruby on Rails, JavaScript frameworks, and Node.js. Experienced in containerized environments and microservice architecture. Reliable, responsible with deadlines, and equally effective working independently or as part of a team. Brings mentoring experience, clear communication, and a consistently positive attitude to work.
Skills
Languages:
Databases:
Testing:
Domains
- Web applications
- Game development
- HR tech
Education
M.Sc. in Computer Science
English
B2 — confident in client communication
Experience
UNL Solutions | Senior Full-stack Developer
NDA | Containerized Applications
Jun 2018 – Present
- Developed containerized environments supporting multiple development stacks
- Customized and extended the Guacamole client and related services for user session management and authorization
- Built automation scripts for data encoding and decoding
NDA | Microservice for BuilderAI
- Designed and maintained a microservice enabling synchronization between distributed systems
- Refactored existing components to improve maintainability and performance
- Collaborated with international engineering teams across multiple time zones
UNL Solutions | Full-stack Developer
Freight Transportation Project
- Built and maintained a responsive web application for freight tracking and route management
- Designed frontend architecture focused on performance and usability
Plato
- Developed a modular ReactJS application with reusable UI components
- Maintained component documentation and supported design integration
- Managed state and API interactions within a scalable frontend architecture
NDA | Web Application with Role-Based Access Control
- Built a web application with multi-level authorization and user access management
- Developed the UI, implemented markup, and created the backend API server
VITAY
- Delivered client-side and server-side features for a recruitment platform
- Integrated third-party services for communications and CRM synchronization
- Implemented automated end-to-end testing and build scripts
NDA | Full-stack Developer
Multiple Microservices and Web Applications
1 year (Jun 2017 – Jun 2018)
- Built and maintained distributed web applications and microservices
- Implemented frontend architecture for dynamic client interfaces
- Supported backend integration and service communication
Self-employed | Mentor
Online Mentorship
1 year (2016 – 2017)
- Provided online mentorship in Java Core, Java EE, and JavaScript
- Conducted code reviews and guided learners through hands-on assignments
SocialQuantum | Senior Flash / ActionScript Developer
Wild West: New Frontier / Ice Age World
3 years 8 months (Sep 2014 – May 2018)
- Developed new game logic and optimization tools for large-scale social games
- Enhanced animation workflows and 3D model processing utilities
- Improved runtime performance through refactoring and profiling
iLogos | Flash / ActionScript Developer
Social Games
2 years 1 month (May 2012 – Jun 2014)
- Developed and ported social games to web and mobile platforms
- Implemented game effects and integrated a physics engine to enhance gameplay
Still have questions?
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+ 44 1509 733445
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